Wire-drawing.



No. 698,273. Patented Apr. 22, |902.

W. J. GLVER.

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(Application led June 12, 1991.)

2 Sheets-Sheet I.

(No Moden.)l

Parras co, momuuo.. wAsu No. 698.273. Patented Apr. 22, |902.

- w. J. GLovEn.

WIRE DRAWING.

' (Apoplicmzion` led June 12, 1901.)

.(No Model.) 2 Sheets- Sheet 2.

HH IIIIII mams PETERS no.. PHUTDLHHD.. wAsmNsTcN. n4

ATENT Prien.

'WILLIAM JOHN GLOVER, OF SI. HELENS, ENGLAND.

WIRE-DRAWING.

SPECIFECATEON forming part ot' Letters Patent No. 698,273, dated April 22, 1902.

Appncanpn niet .Tune 12, 1901.

T0 a/ZZ wwnt it may concern: i

Be it known that LWILLIAM JOHN GLovER,

engineer, a subject of the King of Great Britdrawing-reels, which are made with a hollow ain, residing at St. Helens, in the county of Lancaster, England, (whose full postal .address is St. Helens Cable XVorks, StjHelensQ have invented certain new andA useful Improvements in or in Connection'with Vire- Drawing, (for which application for .patent has been made and provisional protection obtained in England, No. 22,959, dated December l5, 1900, and in Germany, filed February 5, 1901,) of which the following is a specification.

In drawing steel and iron wire it is important to avoid injuring the hydroxidized coating or film on the wire, which is usually produced by exposing it tothe action of the atmosphere after having been treated in the piekling-tank, as this coating forms an admirable lubricant when passing through the dies, thus facilitating the perfect drawing of the wire. By the ordinary process of continuous drawing it is usual to cool the wires between the successive draw plates or dies by a partial immersion of the drawing-reels in a cooling and lubricating solution. This, however, is rather liable to injurethe hy'droxidized film to which I have referred. Now the present invention is designed to avoid this defect in the process of drawing the wire, and the manner in which I proceed to carry out my invention is as follows: I dispense altogether with immersing the wire by a partial immersion of the drawing-reels in a coolingv and lubricating solution, and in place thereof I make the drawing reels or drums hollow and subject the inside thereof to the action of a suitable cooling medium-such as compressed air, water, or other fluid-which has the effect of cooling the reels or drums, and consequently the wire which is wound or passed around them. In this way the cooling medium does not come in contact with the wire at all, and there is no necessity of immersion of the wire in a cooling solution.

In the accompanying drawings, Figure l is a longitudinal section of one ofthe drawingreels. Fig. l is a detail longitudinal section of the same, illustrating a modification; Fig. 2, an end View thereof, partly in section; Fig.

Serial No, 64,330. (No model.)

3, a plan View of a portion of the wire-drawing machine.

In the arrangement shown, a represents the chamber o" inside, formed by the steel rim s and side checks t, which are lfasten ed together by the cross-screws u.

b represents shafts on which the reels are mounted and secured. These are also hollow or tubular, but closed at the end o, so lthat compressed air canbe forced through the said shafts b and passages p into the chambers r of the drawing-reels c, and thusact to cool the reels and the wire which is passed around them. Each shaft bis coupled to the pipe c, supplying cooling iiuid, in such a manner as to permit the shafts rotating in their bearings while the supply-pipe c remains stationary. For this purpose the hollow shafts are enlarged somewhat at the end, andinto this is fitted the chambered-collar g andwasher h.

Also the gland e is screwed into the shaft and locked therein by means of the nut f. The hollow stationary spindle d is mounted within the collar gand gland e, with its enlarged end engaged in the chamber between the washer landfor this purpose outlets t' are provided,

by which the cooling iiuid is discharged through the side plates of the reel, so as not to come in contact with the wire. For use with compressed air the position of these outlets in the side plates is immaterial, and they may beat any radial distance from the center of the reel.

Instead of air any othersuitable cooling medium may be used, such as water; but if a liquid be usedthe outlet is preferably arranged as indicated at j in Fig. lf?, so as to discharge the liquid in the center or axis of the reel, from whence it may be readilyconducted away.

The cooling of the reels or drums by circulation of a cooling iiuid through them sufces ICO to cool the wire as it passe-s around them between the drawing-dies.

The general construction of a part of the machine isshown in Fig. 3, in which I1; are drawing-dies arranged at intervals between cach pairs of reels a. Z Z indicate gearing for driving the reels a from the main shaft mv and bevel-wheels q. Adjacent to each die 7a a suitable block of lubricating material may be used, through which the wire passes.

In action the wire to be reduced is passed to the first draw-plate, from which it passes to the iirst rotary reel or drum of the series, on which it is wound and cooled in the manner described, to be again drawn through the next draw-plate or die, which has a smaller hole, and cooled in the succeeding rotating reel, and so on down until it is attenuated to the required size. The shafts of the respective reels are rotated by shafts and gearing m q Z. I can arrange foreach succeeding reel or drum to be rather larger than the preceding one, so as to allow for the increased speed of travelof the wire due toits attenuation by the drawing-dies, or, if preferred, each succeeding reel is arranged to revolve quicker than its predecessor. I do not of course confine myself to the cooling fluid being admitted to the inside of the reels or drums through the hollow shafts, as other means may be adopted for admitting it.

The invention can equally well be employed for drawing wire of other metal besides steel or iron-sucln for example, as copper, lead, dsc. The drums or reels are 'made of a boss provided with a side disk t, a steel rim s, let into an annular cavity therein, and side cheek if, which is fastened to the disk 't by crossscrews and is fitted on the boss and against the rim s. The boss of this drum is mounted on and secured to the shaft.

I declare that what I claim isl. In a wire-drawing machine, a drawingroll constructed in the form of a hollow drum having a closed periphery and means for introducing cooling fluid to the hollow of said drum and discharging it therefrom without its coming in contact with the wire to be drawn, substantially as described.

2. In the drawing-roll of a wire-drawing machine, the combination of a boss, a side disk forming part of and projecting from said boss, 4a steel rim let into an annular cavity in the side of said disk, a facing-disk forming with said Vside disk and rim a peripherallyclosed drum, and means for admitting a cooling Huid to the interior of said drum without said fluid coming in contact with the wire to be drawn, substantially as described.

3. In a wire-drawing machine the drawingrolls of which are formed as hollenr peripherally-closed drums, an arrangement for conveying a` cooling fluid to the interior of said drums which consists of a hollow shaft, means of communication between saidshaft and the interior of the hollow drum mounted thereon, and a stationary pipe passing through a gland into the interior of said shaft, whereby a cooling fluid may be introduced into said shaft while it is in rotation, substantially as described.

4. In a wire-drawing machine, the drawingrolls of which are formed as hollow peripherally-closed drums, an arrangement for conveying a cooling fluid to the interior of said drums which consists of a hollow shaft, means of communication between said hollow shaft and the interior of the hollow drum mounted thereon, a stationary supply-pipe inserted in the end of said hollow shaft, a collar within said shaft at the end of said supply-pipe, and a gland in the end of said hollow shaft surrounding said supply-pi pe, whereby rotation of the hollow shaft about the supply-pipe is permitted, and leakage of the-cooling fluid is prevented, substantially as described.

5. In a wire-drawing machine, the drawingrolls of which are formed as hollow peripherally-closed drums, an arrangement for circulating a cooling liuid in said drums, which consists of a hollow shaft, passages communieating between said hollow shaft and the interior of said hollow drums, and means for permitting the outflow of said liuid from said drums without saidiiuid coming in contact with the wire to be drawn, substantially as described.

In witness whereof I have hereunto signed my name, this 23d day of May, 1901, in thc presence of two subscribing witnesses.

IWILLIAM .I OHN GLOVER.

Vitn esses:

JOHN HAMMILL, ROBERT ANrwis. 

